Relay multiplexing for circuit testers

Details Relay multiplexing for circuit testers Relay multiplexing for circuit testers

1987-06-26

1988-02-09

Karlsen, Ernest F.

Electricity: measuring and testing

Plural, automatically sequential tests

324 73PC, 324158F, 371 20, G01R 3102, G01R 3128

Patent

active

047243791

ABSTRACT:
Relay multiplexer circuitry for making a limited number of test channels connectable to a large number of test pins through relays connected to selected test channel nodes and test pin nodes, each test pin node being connectable to a unique combination of test channel nodes within a group of pin nodes, channel nodes and relays, the number of pin nodes connectable to each channel node being substantially uniform within a group to efficiently use channels to reduce the possibility of conflict.

REFERENCES:
Schraeder, M. W.; "Multiplexed Measuring . . . "; EDN; May 12, 1982; pp. 187, 188 and 190.
Faran, J. J., Jr.; "Methods of Assignment . . . "; 1982, IEEE Test Conference; May 1982; pp. 641-647.

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